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6 votes
Accepted

If I reset my phone, will it also TRIM the fragmented eMMC?

Android supports fstrim but it only works if the phone is idle for a long time while charging It's not so. On newer versions, Android runs fstrim with a daily schedule, provided that the conditions ...
Irfan Latif's user avatar
  • 20.4k
6 votes
Accepted

Should I get A1 or A2 spec'd Micro SD card for my phone?

TL;DR: Get an A1 card unless you know for sure that your workload greatly benefits from Command Queuing (CQ) and your host hardware supports CQ. Long answer: After looking around a lot it seems that ...
Mikko Rantalainen's user avatar
5 votes
Accepted

CPU-Z shows 8 cores, but 4 of them are stopped

Is there any way of activating all cores? You can't. The hardware is not designed to have all 8 cores active. The reason for this is that this Octacore CPU is actually based on big.LITTLE technology,...
Lie Ryan's user avatar
  • 19.1k
5 votes
Accepted

Approaches for diagnosing input lag / performance problems

Assuming your lag is not caused by resource hogging malware (detection and removal covered in malware tag), possible causes (discounting infamous touchwiz :), could be CPU loading Disk I/O Network ...
beeshyams's user avatar
  • 40.8k
4 votes

Are there any downsides or risks to limiting background processes?

I keep my phone at 4 background processes max, and it has much higher performance than on standard. I receive all my notifications (which I have personally managed in the notifications setting) ...
user299816's user avatar
4 votes

Android's native process management vs. Greenify

From the Android developer site: If an activity has lost focus but is still visible (that is, a new non-full-sized or transparent activity has focus on top of your activity), it is paused. A ...
Matthew Read's user avatar
  • 50.6k
3 votes

What is the initial TCP Receive Window size in Android?

I can answer you about TCP WINDOW SIZE and TCP WINDOWSCALE fields as they appear in the TCP header. Initial TCP Window Size should be 0x3908 = 14600, at least it is what I found so far using several ...
the structure's user avatar
3 votes
Accepted

Android's native process management vs. Greenify

Android actually closes some background apps, but only when system ressources are missing (you open a massive game, for example) Greenify differ from the Android memory management by the fact that ...
Sylveon's user avatar
  • 233
3 votes

Does buying thousands of apps (but not installing them) cause bloat in Android?

No, they are not installed on the device... Your device doesn't even "know" you purchased the app. It has absolutely no effect on your device at all and your purchase history is stored on Google ...
acejavelin's user avatar
  • 6,207
3 votes
Accepted

Compatibility Feasibility Speed and use of High Capacity MicroSd Card for adaptable swapping and linking apps?

Your device is very old, which most likely means that it does not have exfat support. Compatibility should not be a problem, as every card and reader are usually compatible with each other, as long ...
Robert's user avatar
  • 20.3k
2 votes

sluggish performance due to mmcqd CPU usage

Yes, when you see mmcqd on the top-3 processes most of the time you can assure there is a bottleneck created on any storage/flash. You can check that fact easily at the developer options in Android (...
JCM's user avatar
  • 200
2 votes

My device is getting slow, apps start misbehaving/crashing. What can I do?

How to Speed up Slow Android Remember the day you bought your android? It wasn't slow. It was so fast. What happened? Did the silicon get slower? Did the bits get clogged? Of course not. You're just ...
Jonathan's user avatar
  • 580
2 votes

How to make camera start faster

I have done a serious research on this topic and i found that all device has an opening lag and it is independent of your camera applications i.e, it is hardware dependent. It(the lag) will be keep ...
Jayakrishnan's user avatar
2 votes

Why does any app having an active overlay is causing low frame rates?

Deafult options, no osd, max smoothness Deafult options, osd, max choppiness With disable HW overlays I get average smoothness w/ and w/o osd apps. I think that only the last app requesting an hw ...
untore's user avatar
  • 161
2 votes

CPU-Z shows 8 cores, but 4 of them are stopped

It all depends on how the apps that are running are written and if they can actually make use of multiple cores. Even if you are running a heavy application, if it cant make use of all the cores, the ...
Raa's user avatar
  • 21
2 votes

CPU-Z shows 8 cores, but 4 of them are stopped

That is perfectly fine. Why would 8 cores be active if you are in cpu-z app. Four cores are let's say active all time, and other four are jumping in if needed, cpu-z don't need 8 cores trust me. Try ...
Једноруки Крстивоје's user avatar
2 votes
Accepted

Is it necessary to update Android apps?

If you use Mobile Data for update purposes, then it is better to update Google services and the messaging services only, but if you have access to WiFi then keep your apps updated. Battery ...
SUD's user avatar
  • 36
2 votes
Accepted

Locking the speed of the cpu on an android phone

I am not aware of CPUControl's settings but you can try some other applications to lock the speed. You can try KernelAduiter to perform this and many more operations. You can change the CPU speed by ...
Anonymint's user avatar
2 votes
Accepted

Is force stopping an app equivalent to uninstalling it, as far as increasing the performance of a phone is concerned?

In some cases, yes, if your performance issue is not caused by low storage space. The improvement may be temporary, however, as apps can be restarted if they are registered for certain actions or ...
TomG's user avatar
  • 3,749
2 votes
Accepted

Does downloading too many games slow down a device?

When you download and install a game on your device, the data is stored within internal storage. When you run the game, it loads all the assets into RAM, which is Random Access Memory. Accessing RAM ...
CodeMonkey's user avatar
2 votes

How come Android can support 2 apps in split screen but not in background?

On Android, only 1 app can be in the active (or "resumed") state, but when the app is still visible but not currently the active app, it will be in the paused state. So when you use multi ...
MrTheGood's user avatar
2 votes

For Android devices, is internal storage memory typically faster, slower, or equal to microSD card storage?

The internal flash is usually way faster than an SD-card. In your example, the Samsung Galaxy S10 uses UFS 2.1 storage for interfacing with the internal flash chip. UFS 2.1 for the 1TB storage ...
Robert's user avatar
  • 20.3k
1 vote

CPU-Z shows 8 cores, but 4 of them are stopped

Yep, same here thought which brought me here but then noticed also if you fire few apps and then switch between these and back to CPU-z it will shortly show activity on all cores.
user2634734's user avatar
1 vote

CPU-Z shows 8 cores, but 4 of them are stopped

If you switch to other apps and then back to CPU-Z, you would briefly see all the cores working.
J7Pro's user avatar
  • 11
1 vote

CPU-Z shows 8 cores, but 4 of them are stopped

Actually the core usage depends on the usage of particular apps. Like, if you use high graphics game you'll usually find that the number of core in use are more whereas if you use simple applications ...
Saumya Brata Dutt's user avatar
1 vote

How to prevent CPU throttling after not poking at screen

If you have root access you can try to use an app like Device Control to set the processors min frequency and a rather aggressive cpu governor. explanation: The cpu governor controls how quickly the ...
Walter Wolf's user avatar
1 vote

Practical longevity of current Android phones

I second what @DeathMaskSalesman says in the comment - it largely depends on how you use your device and whether you load custom ROMs on it. Bottom line is, unless you use the phone lightly, nothing ...
Andy Yan's user avatar
  • 9,539
1 vote

Is it possible, that old smartphone becomes slow simply because it is old?

Yes, a slightly lower\unstable voltage caused by worn battery can underpower the device SoC affecting performance and stability, not only the autonomy, in the same way can make a torch less bright. I ...
Silverstorm's user avatar
1 vote

/system/bin/mediaserver and /system/bin/drmserver dont want these but Android disagrees

This is a really old question but I have an answer for anyone wondering.If you do not care about playing DRM-protected content, just replace /system/bin/drmserver with an executable file that does ...
Stallman's user avatar
1 vote

Nexus 7 2012 is almost unusable after upgrading to the latest Lollipop. What should I do?

I recently got my Nexus 7 2012 usable and fast after 2 years resting in a drawer with rooted Lollipop using suggestions from this site (in Spanish) like disable all gestures at Language Input/Gboard ...
Jaime's user avatar
  • 11

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